After just four months online, South Korean rapper PSY's "Gangnam Style" has become the most watched video ever on YouTube.
The song has received 817 million views, overtaking Justin Bieber's "Baby", which has been seen 803 million times since being released in February 2010.
"Gangnam Style" has seen PSY, who's been working on his rap career for over a decade, skyrocket to international fame and top charts around the world.
It has also spawned countless parodies, mostly centred around its iconic "horse dance".
"Gangnam Style" is also the most liked video on the site, with 5.3 million thumbs up.
PSY will be appearing at Future Music Festival 2013 - get your tickets here.
Photo: Getty/Getty Images Entertainment/Kevin Winter
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